There Was A Vacuum Around The Area Of The Hole

“When I brought down the drone into the ‘Glory Hole,’ it ended up plainly unsteady and nearly collided with the side,” he clarified. It was evident to him now, that the depleting water caused a vacuum like impact around it. This made the drone to lose balance and cruise all around, however -he battled in controlling the drone’s flight way precisely. At last, he could haul his drone up and out from what could have been harming it and might have even spoilt it.